diff --git a/src/app/(modules)/ticket/[ticketId]/components/TicketAssignmentsCard.tsx b/src/app/(modules)/ticket/[ticketId]/components/TicketAssignmentsCard.tsx
index 1922b8c..e6e3e15 100644
--- a/src/app/(modules)/ticket/[ticketId]/components/TicketAssignmentsCard.tsx
+++ b/src/app/(modules)/ticket/[ticketId]/components/TicketAssignmentsCard.tsx
@@ -146,7 +146,9 @@ export function TicketAssignmentsCard({
     ticketId,
     initialAssignments,
   );
-  const assignments = assignmentsQuery.data?.items ?? [];
+  const assignments = (assignmentsQuery.data?.items ?? []).filter(
+    (assignment) => assignment.item_count > 0,
+  );
   const selectedAssignment =
     assignments.find((assignment) => assignment.id === selectedAssignmentId) ??
     assignments[0];
@@ -178,7 +180,7 @@ export function TicketAssignmentsCard({
             </CardDescription>
           </div>
           {assignmentsQuery.data ? (
-            <Badge variant="secondary">{assignmentsQuery.data.total}</Badge>
+            <Badge variant="secondary">{assignments.length}</Badge>
           ) : null}
         </div>
       </CardHeader>
diff --git a/src/app/(modules)/ticket/[ticketId]/components/TicketClassDetectionPreview.tsx b/src/app/(modules)/ticket/[ticketId]/components/TicketClassDetectionPreview.tsx
index 79d09fd..f9fba3f 100644
--- a/src/app/(modules)/ticket/[ticketId]/components/TicketClassDetectionPreview.tsx
+++ b/src/app/(modules)/ticket/[ticketId]/components/TicketClassDetectionPreview.tsx
@@ -20,8 +20,7 @@ import { DetectionDiscardDialog } from './DetectionDiscardDialog';
 interface TicketClassDetectionPreviewProps {
   ticketId: string;
   videoId?: string | null;
-  assignmentId?: number;
-  totalCount?: number;
+  assignmentId: number;
 }
 
 function DetectionMetadataBar({
@@ -96,7 +95,6 @@ export function TicketClassDetectionPreview({
   ticketId,
   videoId,
   assignmentId,
-  totalCount,
 }: TicketClassDetectionPreviewProps) {
   const [currentIndex, setCurrentIndex] = useState(0);
   const [isDiscardDialogOpen, setIsDiscardDialogOpen] = useState(false);
@@ -122,8 +120,7 @@ export function TicketClassDetectionPreview({
   const detectionResult = detectionsQuery.data;
   const activeDetection = detectionResult?.items[0];
   const confirmedDetectionCount = detectionResult?.total;
-  const detectionCount =
-    detectionResult?.total ?? (assignmentId ? 0 : (totalCount ?? 0));
+  const detectionCount = detectionResult?.total ?? 0;
   const activeVisual = getDefectVisual(
     activeDetection?.detection.class_name ?? '',
   );
diff --git a/src/app/(modules)/ticket/[ticketId]/components/TicketDefectClassTabs.tsx b/src/app/(modules)/ticket/[ticketId]/components/TicketDefectClassTabs.tsx
index 1dd1ae0..14129a9 100644
--- a/src/app/(modules)/ticket/[ticketId]/components/TicketDefectClassTabs.tsx
+++ b/src/app/(modules)/ticket/[ticketId]/components/TicketDefectClassTabs.tsx
@@ -12,7 +12,7 @@ import { TicketClassDetectionPreview } from './TicketClassDetectionPreview';
 interface TicketDefectClassTabsProps {
   ticketId: string;
   ticket?: TicketOverviewDetail;
-  assignmentId?: number;
+  assignmentId: number;
 }
 
 export function TicketDefectClassTabs({
@@ -61,7 +61,6 @@ export function TicketDefectClassTabs({
             ticketId={ticketId}
             videoId={previewVideoId}
             assignmentId={assignmentId}
-            totalCount={ticket?.ai_result.detection_count}
           />
         </div>
       </CardContent>
diff --git a/src/app/(modules)/ticket/[ticketId]/page.tsx b/src/app/(modules)/ticket/[ticketId]/page.tsx
index bec3a99..fd5682c 100644
--- a/src/app/(modules)/ticket/[ticketId]/page.tsx
+++ b/src/app/(modules)/ticket/[ticketId]/page.tsx
@@ -43,11 +43,13 @@ export default function TicketDetailPage() {
   );
   const classDetailQuery = useTicketClassDetailQuery(ticketId, defectClass);
   const classDetail = classDetailQuery.data;
-  const assignments = assignmentsQuery.data?.items ?? [];
-  const activeAssignmentId = selectedAssignmentId ?? assignments[0]?.id;
-  const activeAssignment = assignments.find(
-    (assignment) => assignment.id === activeAssignmentId,
+  const assignments = (assignmentsQuery.data?.items ?? []).filter(
+    (assignment) => assignment.item_count > 0,
   );
+  const activeAssignment =
+    assignments.find((assignment) => assignment.id === selectedAssignmentId) ??
+    assignments[0];
+  const activeAssignmentId = activeAssignment?.id;
   const isClassDetailLoading = Boolean(
     defectClass && classDetailQuery.isLoading,
   );
@@ -95,20 +97,26 @@ export default function TicketDetailPage() {
               onAssignmentChange={setSelectedAssignmentId}
             />
           ) : null}
-          <TicketDefectClassTabs
-            ticketId={ticketId}
-            ticket={overview}
-            assignmentId={activeAssignmentId}
-          />
-          {isClassDetailLoading ? <TicketClassContentSkeleton /> : null}
-          {!isClassDetailLoading && classDetail ? (
+          {activeAssignment ? (
+            <TicketDefectClassTabs
+              ticketId={ticketId}
+              ticket={overview}
+              assignmentId={activeAssignment.id}
+            />
+          ) : null}
+          {activeAssignment && isClassDetailLoading ? (
+            <TicketClassContentSkeleton />
+          ) : null}
+          {activeAssignment && !isClassDetailLoading && classDetail ? (
             <TicketHistoryCard ticket={classDetail} />
           ) : null}
         </div>
 
         <div className="min-w-0 space-y-3 self-start xl:min-h-0 xl:self-stretch xl:overflow-y-auto xl:overscroll-contain xl:pr-2">
-          {isClassDetailLoading ? <TicketClassActionsSkeleton /> : null}
-          {!isClassDetailLoading && classDetail ? (
+          {activeAssignment && isClassDetailLoading ? (
+            <TicketClassActionsSkeleton />
+          ) : null}
+          {activeAssignment && !isClassDetailLoading && classDetail ? (
             <TicketStatusActions
               ticket={classDetail}
               assignment={activeAssignment}